Bluetooth AoA vs. RSSI Beacon Technology
Bluetooth Angle of Arrival (AoA) and Received Signal Strength Indication (RSSI) beacon technology are both utilized for indoor location tracking, yet they exhibit distinct characteristics.
The AoA positioning algorithm determines the position of an AoA tag by analyzing the arrival angle of the signal. Bluetooth AoA locating systems boast sub-meter accuracy, high capacity, high compatibility, low cost, and low energy consumption. BLE Angle of Arrival proves particularly advantageous for indoor localization and asset tracking across various sectors including healthcare, manufacturing, retail, transportation, public security, and more.
Conversely, Received Signal Strength Indicator (RSSI) beacon technology gauges the distance between the beacon and the mobile device based on the strength of the Bluetooth signal. However, it is susceptible to interference from barriers, antenna direction, or device power. RSSI Bluetooth beacon tracking devices are compact and energy-efficient, typically employed in retail, hospitality, tourist attractions, and similar domains, offering an accuracy of around 5 meters.
In summary, Bluetooth AoA technology enables highly precise location tracking, whereas RSSI beacon technology, although widely available, delivers less precise location information. Fortunately, Blueiot Bluetooth AoA can cater to specific needs, ensuring the requisite level of precision for location tracking.
Technology | Bluetooth AoA | Bluetooth RSSI |
Protocol | ||
Anchor: Bluetooth 5.1 | Anchor: Bluetooth 4.0+ | |
Tag: BT 4.0+ | Tag: Bluetooth 4.0+ | |
Typical accuracy | 0.1 ~ 0.5 m | 5 ~ 10 m |
Refresh rate | High | Low |
Compatibility | Various BLE AoA tags such as mobile phones, bracelets, watches, beacon, etc. | Additional special tags for return channels such as LoRa are required |
Tag power consumption | Low | High |
Anchor cost | General | Low |
Tag cost | Low | High |
loT anchor capabilities | Yes | No |